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A 12.0 V battery causes a current of 5.0 A to flow through a lamp. What is the power used by the lamp?

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Important Questions on Work, Power and Energy

EASY
Science>Physics>Work, Power and Energy>Power
1  Horse Power (HP) = ..... Watt.
MEDIUM
Science>Physics>Work, Power and Energy>Power
Which of the following is not a unit of Power?
EASY
Science>Physics>Work, Power and Energy>Power
{\displaystyle P(t)=I(t)\cdot V(t)} is the given formula for electrical power, where V(t) denotes _____.
MEDIUM
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The SI unit of power is .....
MEDIUM
Science>Physics>Work, Power and Energy>Power
1 Horsepower (Hp)= __?__ watts (W)
MEDIUM
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By using which of the following formula, the unit of power can be accomplished?
MEDIUM
Science>Physics>Work, Power and Energy>Power
If a bulb uses the energy of 200 J and remains on for 25 s, the power consumed by the bulb will be .....
EASY
Science>Physics>Work, Power and Energy>Power
The rate of doing work is known as _____.
EASY
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SI unit of Power is _____.
EASY
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P(r)=I(4πr2) is related to _____.
EASY
Science>Physics>Work, Power and Energy>Power
If a pump can lift 200 kg of water through a height of 6 m in 10 seconds, then its power is
EASY
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In 40 kW, there are how many watts?
EASY
Science>Physics>Work, Power and Energy>Power
_____ is the SI unit of power density.
HARD
Science>Physics>Work, Power and Energy>Power
A garage hoist lifts a truck up 4 meters above the ground in 30 seconds. Find the power delivered to the truck. [Given: 1000 kg as the mass of the truck]
EASY
Science>Physics>Work, Power and Energy>Power
Through which of the following equipment chemical energy is transformed into electrical energy?
MEDIUM
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1 W = __?__calories per seconds.
EASY
Science>Physics>Work, Power and Energy>Power
Cotyledons are also called-
EASY
Science>Physics>Work, Power and Energy>Power
The highest penetration power of given following radiations will be _____.
EASY
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What among the following does not come under the six classical simple machines that were defined by Renaissance scientists?
EASY
Science>Physics>Work, Power and Energy>Power
If a light uses energy of 100 J and remains on for 25 s Of time, then what is the power consumed by the light ?